Fixing faulty inverters in PV plants via root cause analysis

Kiwa PI Berlin has fixed faults in inverters at a PV plant in South Africa by using root cause analysis. The project had experienced up to 130 failures related to insulated gate bipolar transistors (IGBTs). A 95 MW PV plant in South Africa, owned by an independent power producer active in several markets, has faced recurring inverter failures, according to Kiwa PI Berlin. Between 2022 and 2023, the plant logged more than 130 failures linked to insulated gate bipolar transistors (IGBTs) within field-replaceable units (FRUs). The inverter failures affected both energy production and operational ...

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